Add CI step

.github/workflows/continous-integration.yml

@@ -94,6 +94,11 @@ jobs:
           flake8 .
           isort . --check-only
           black . --check
+      - name: Run HTML linting
+        run: |
+          djlint . --check
+          djlint . --lint
+        continue-on-error: true
       - name: Run type checks
         run: mypy network-api
       - name: Run Tests